Philadelphia shooter fired through 1st victim's door, claimed to be law enforcement, police say

PHILADELPHIA (AP) — A day before killing four people in a <a href="https://apnews.com/article/philadephia-shooting-7e205d7b2b89251ffb5a109a1a99c94a" xmlns="http://iptc.org/std/NITF/2006-10-18/">mass shooting in Philadelphia</a> last week, authorities say the gunman went to his first victim’s door wearing a dark mask, shot through it and yelled that he was law enforcement before entering the home and continuing to shoot, police officials said at a news conference Monday.The details were revealed a day after police announced that it was likely Joseph Wamah Jr., 31, had been killed in the early hours of July 2, <a href="https://apnews.com/article/philadelphia-shooting-suspect-kimbrady-carriker-306726b0663b209572764a6224d5cda6" xmlns="http://iptc.org/std/NITF/2006-10-18/">and not during the larger July 3 attack,</a> as police had initially thought, and that a 911 call reporting the gunshots had been misrouted to the wrong neighborhood. [ABSTRACT FROM PUBLISHER]